@article{10_4153_CMB_2012_044_7,
     author = {Gille, Philippe},
     title = {Octonion {Algebras} over {Rings} {Are} {Not} {Determined} by their {Norms}},
     journal = {Canadian mathematical bulletin},
     pages = {303--309},
     year = {2014},
     volume = {57},
     number = {2},
     doi = {10.4153/CMB-2012-044-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2012-044-7/}
}